[Openstack] more info on this raise exception.NoValidHost
Belmiro Moreira
moreira.belmiro.email.lists at gmail.com
Tue May 21 20:13:57 UTC 2013
Hi,
Let me just had that an instance can fail in different filters in different hosts.
Some filters LOG the reason if debug=true.
Check /var/log/nova/scheduler.log
cheers,
Belmiro
On May 21, 2013, at 3:18 PM, Lei Zhang <redheadflyundershadow at gmail.com> wrote:
> Yes, nova-scheduler has lots of filters to check if nova-compute node fit the requirement of the instance you wanna launch.
> Like availability-zone filter, RAM filter, cpu core filter, etc. If all the compute node failed to pass those filters, it raise this exception.
>
> Regards
> Lei
>
>
> On Tue, May 21, 2013 at 4:13 AM, Aaron Rosen <arosen at nicira.com> wrote:
> Usually means that the instance trying to be launched can't be scheduled to any nova-compute nodes. The log message should include a reason why though.
>
>
>
>
> On Mon, May 20, 2013 at 12:06 PM, Remo Mattei <remo at mattei.org> wrote:
> Hello everyone,
>
> I wonder if someone can give me a more detail overview about the raise exception.NoValidHost
> on what does raise mean.
>
> Thanks
> Remo
>
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